<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>

<script src="js/Underscore-min.js"></script>
<script>
    var dataArr = ["张三", 19, "男", 1212, 23];
    
    _.each(dataArr, function (item, index) {
       //  console.log(item, index);
    });

    // console.log(_.without(dataArr, "张三"));

    console.log(_.random(-5, 5));
</script>
</body>
</html>